2 // Copyright 2010 Mikko Keinänen
4 // This file is part of EmuFront.
7 // EmuFront is free software: you can redistribute it and/or modify
8 // it under the terms of the GNU General Public License as published by
9 // the Free Software Foundation, either version 3 of the License, or
10 // (at your option) any later version.
12 // Foobar is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with Foobar. If not, see <http://www.gnu.org/licenses/>.
20 #include "databasemanager.h"
22 #include <QSqlDatabase>
23 #include <QSqlTableModel>
30 const QString DatabaseManager::DB_FILENAME = QString("my.db.sqlite");
31 const QString DatabaseManager::DATABASE = QString("QSQLITE");
32 const QString DatabaseManager::DB_TABLE_NAME_MEDIATYPE = QString("mediatype");
33 const QString DatabaseManager::DB_TABLE_NAME_PLATFORM = QString("platform");
34 const QString DatabaseManager::DB_TABLE_NAME_FILEPATH = QString("filepath");
36 DatabaseManager::DatabaseManager(QObject *parent)
40 DatabaseManager::~DatabaseManager()
42 // no need to explicitily destroy sqlTableModel
43 // because it is parented QObject and will
44 // be destroyed when parent is destroyed
47 bool DatabaseManager::openDB()
49 QSqlDatabase db = QSqlDatabase::addDatabase("QSQLITE");
50 db.setDatabaseName(DatabaseManager::getDbPath());
54 QString DatabaseManager::getDbPath()
58 path.append(QDir::home().path());
59 path.append(QDir::separator()).append(DB_FILENAME);
61 path.append(DB_FILENAME);
66 void DatabaseManager::resetModel() const
68 if (!sqlTableModel) return;
69 sqlTableModel->setFilter("");
70 sqlTableModel->select();
73 // sql must return a count(*) value
74 int DatabaseManager::countRows(QString tableName, QString columnName, int id) const
76 QString sql = QString("SELECT COUNT(*) FROM %1 WHERE %2 = %3")
77 .arg(tableName).arg(columnName).arg(id);
81 numEntries = query.value(0).toInt();